The changes introduced with the new update that at the time we were able to discover are different.
The first concerns the mode of child Galaxy S5 , a software environment specifically designed by Samsung for children , with lots of dedicated applications.
There is also the new technology Samsung Knox 2.0 (with new bootloader), which unfortunately we are not able to show you in detail because of the counter Knox altered our Galaxy S4.
Now the GPS fix is much faster and also takes account of Russian satellites.
During these first few hours of use it seemed also that the optimization of the device has been improved, but it is still too early to say for sure.
It ‘s very likely that the new update has made the system even more fixes.
Unfortunately at the moment it was released only in Germany and so the only way to prove it on the Galaxy S4 Italians (at your own risk) is the tool through unofficial Odin: